211672207 has 2 divisors, whose sum is σ = 211672208. Its totient is φ = 211672206.

The previous prime is 211672199. The next prime is 211672211. The reversal of 211672207 is 702276112.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 211672207 - 2³ = 211672199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211672277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105836103 + 105836104.

It is an arithmetic number, because the mean of its divisors is an integer number (105836104).

Almost surely, 2^211672207 is an apocalyptic number.

211672207 is a deficient number, since it is larger than the sum of its proper divisors (1).

211672207 is an equidigital number, since it uses as much as digits as its factorization.

211672207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 211672207 is about 14548.9589661941. The cubic root of 211672207 is about 595.9657193547.

The spelling of 211672207 in words is "two hundred eleven million, six hundred seventy-two thousand, two hundred seven".